from flask.globals import request
import pymysql

class DB:
    def __init__(self):
        self.conn = pymysql.connect(host='localhost',
        port=3306,
        user='root',
        password='root',
        charset='utf8',
        db='dome',
        cursorclass = pymysql.cursors.DictCursor)
        self.cursor = self.conn.cursor()

    #添加，修改，删除
    def insert(self,sql):
        self.cursor.execute(sql)
        self.conn.commit()



    #查询一条记录
    def find(self,sql):
        self.cursor.execute(sql)
        return self.cursor.fetchall()


db1 = DB()